Concrete building-block.



NO- 829,711. PATENTED AUG. 28, 1906. P. W. GAYLOR & W. DUBEE.

CONCRETE BUILDING BLOCK.

APPLICATION FILED AUG.4. 1905.

- M674 Ia; Wilza 1J7 M W M UNITED STATES curios PERCY W. GAYLOR, OF RYE, AND lVlLLiA'Ivi DUHEE, BROOKLYN, Nil/W YORK.

Specification of Letters Patent.

Patented Aug. 2e, eoe.

Application filed August a. 1905. 'Seriel No. 272,73

To all whom it may concern:

Be it known that we, PERCY W. GAYLOR, residing at Rye, in the county of \Vestchester, and WILMAM Donna, residing at Brooklyn, in the count 7 of Kings, State of he'w York, citizens of the United States, have invented new and useful Improvements in Concrete Building-Blocks, of which the following is a specification.

This invention relates to certain new and useful improvements in concrete buildingblocks, and has for its purpose to provide a block possessing the various desirable fea tures of strength, lightness, and cheapness.

A further purpose of the invention is to provide a strong and durable building-block having one face thereof finished to imitate any desired color or character of natural stone.

Another urpose of the invention is to provide a bull ing-block that may be easily and quickly set in building a wall structure, each block being provided with interlocking for mations, so that one block will interlock'with the one above and below it when in set osition, whereby a strong and durable wall will be provided.

A still further purpose of the invention is to provide a building-block having vertical openings therethrough of peculiar shape and arrangement, whereby to give increased strength and rigidity to the block and to pro vide for the reception of strengthening rods or bars, some of said openings being also arrangedto pro ide air-spaoes in the finished well, which has come to be recognized as a desideratum of no small importance in wall structures.

The invention has in view other features of importance and desirability in a buildingblock, all of which will be more fully pointed. out in the detailed description which follows this general statement of objects.

In the annexed drawings, Figure 1 is a perspective view of two blocks constructed in accordance with the invention, said blocks being shown in the position they will assume in a wall structure. Fig. 2 is a top plan .vicw of one of the blocks. Fig. 3 is a bottom plan View. Fig. 4 is a transverse vertical section taken through one of the blocks. Fig. 5 is a longitudinal section talacn vertically through one of the blocks.

generally by the reference-letter A. and consists of a rectangular body having the side walls 1 and 2, the end walls 3, the top 4, and

the bottom The front side wall 1 is preferably roughened, as shown, to imitate .cutr

stone, while the rear side wall 2 is by proicronce grooved, pitted, or roughened in a special manner, so that no brown or scratch coat of plastering will be required, it being understood that the regular white coat oi' plaster will be applied directly to this grooved, roughened, or pitted face of the block to form the finished interior wall-surface.

It is very desirable in a block of the character described to provide means whereby one block may be engagement with its adjacent companion block, so that the finished wall structure will not only be true, but will be all the more firm and rigid. To accomplish this end, we provide a stepped recess 6 of right-angled forma-,

tion along each longitudinal edge of the block at the top 4 thereof and also provide correspondingly-shaped ribs or projections .7 along the longitudinal edges at the bottom 5 of the bloclr'. These projections 7 are so shaped and spaced as that the projections on the bottom of one block will interlock with the stepped recesses in an ad 'acent block when the blocks are superposorl seen that no special care need be exercised in setting the blocks, as when they are placed in interlocked position perfect alinement will be assured.

in order that the blocks hnay light as possible and yet besutliciently strong to withstand the strain and weight to which they are subjected and, furthermore, to provide for the use of vertical tie-rods in the wall structure and for air-spaces we make the 100;

blocks hollow in the following peculiar manner.

Each block is provided with four triangular-shaped openings 8, said openings extending vertically through the block, two of the 105 walls of each triangular opening being formed preferably 55 set or placed into interlocking "7 5 stepped recesses 6 and ribs or one-upon another. Thus it will he be made as by the diagonally-arranged webs or partitions 9 and 10, winch cross each other or intersect one anothcr, as shown, and the third I wall ofeach opening formed by the sides and ends of the block. This diagonal arrangement of the webs or partitions 9 and 10 gives strength to the block, as will be apparent.

In addition. to the triangular openings just described we prefer to Form one, two,or more elongated openings arranged parallel to the longitudinal inner face 2 of the block in order to provide air channels or spaces in the finished wall. In the present instance we haveshown each block provided with two of such openings that are indicated by the numeral. 12, the .)penings being separated by the web or partition 13.

By referring to the drawings it will be seen thatthe bottom wall 5 of each block is concaved transversely throughout its length, as

at 14, whereby the block is more shallow along its longitudinal center than along its outer edges. This is done to provide openings at the ends of the blocks when they are set in position, so that the cement employed in setting the blocks may enter these openings and-form a firm tie or look.

Another end accomplished by this con-- struction is that in setting the blocks in position a hoisting-rope may be passed through two of the openings 8 and around the diagonal webs or partitions 9 and 10 and tied. The rope with the block attached may then be swung to proper position on the wall, the rope being then untied and pulled through in an obvious manner, thus leaving the block in the exact position it is to assume in the fin ished wall, In View of the fact that the diag onal webs 9 and 10 are of less depth at the points of intersection than the maximum depth of the block from top to bottom (which is due to the concave 14) it will be apparent that the rope when passed around said webs will not project below the extreme lower face of the block, and no gripping or binding of the ro e between the blocks can take lace.

Vdlen thc' bloclcs are setin p ace in the formation of a wall, it will be apparent that some of the verticalopenings 8 and 12 in one block will register .with corresponding openings in the block above and below it. In these registering openings 8 vertical tie-rods may extend, if desired, or some or all of the openings 8 may be filled with concrete and tamped in order to provide a more solid W511i.

The openings 12 are designed primarily for air spaces, but when needed will accommodate the various water, gas, and steam pipes as well as electric wires used in the building. As these openings are located adjacent the and corresponding recesses and projecting ribs arranged along opposite longitudinal inner face 2 of the block, it is a simple matter to out through for the purpose of forming connections with the pipes or wires therein.

Having thus described our invention, what we claim, and desire to secure by Letters Patent, is

I. A hollow rectangular building block having diagcmally arranged intersecting webs cast integral with the block and extending from opposite diagonal corners thereof to provide between them and the vertical walls of the block verticallydisposcd triangular openings, portions of the end walls 01 the block and the said diagonal webs being cut away to provide a channel in one face of the block which extends longitudinally throughout the length thereof.

2. A. hollow building-block having diagonally-arranged intersecting webs extending from opposite diagonal corners thereof and forming between them. and the vertical walls of the block vertically-disposed triangular openings, said block being provided along its opposite longitudinal edges with. correspond ing recesses and projecting ribs.

3. A hollow building-blook having diagonally-arranged intersecting webs extending from opposite diagonal corners thereof and forming between them and the vertical walls of the block vertically-disposed triangular openings, the intersecting portions of said diagonal webs being ol less depth than the maximum depth of the block.

4. A hollow rectangular building-block having diagonally-arranged intersecting webs cast integral with the block and eXtcnding from opposite diagonal corners thereof to provide between them and the walls of the block vertically-disposed triangular openings, and an elongated opening arranged parallel 'ith and in close proximity to a side wall of the block.

-5. hollow rectangular; building-block having intersecting webs cast integral therewith to )rovidc between them and the walls of the block vertically-disposed openings, an elongated opening arranged parallel wi th and in close proximity to a side wall of the blorl edges of the block.

In testimony whereof we have hereunto set our hand. in presence of two subscribing witnesses.

PERCYyVV. GAYLOR.

WILLIAM DUBEE.

Wi tnesses:

Joan MoManon', WILLIAM SANDERS. 

